The long-awaited nuclear renaissance appears to be closer to reality. The Obama administration continues to send strong signals of support for nuclear power as part of the nation’s “clean-energy” future. On Feb. 16, the administration announced the first-ever $8.5 billion loan guarantee for a new nuclear plant and said it had introduced plans to triple the amount of nuclear loan guarantees in the fiscal 2011 budget. Photo: Unistar Unistar wants to build a new facility at its Calvert Cliffs site in Lusby, Md., and is hoping for a loan guarantee The loan guarantees to Atlanta-based Southern Co. and its partners
Arch dams, classically curved monoliths situated in narrow valleys, are not as common as other types of dams, such as embankment dams and gravity dams. ENR takes a look at some of the biggest arch dams in the world, both completed and under construction.